Panini projection

[jrsch...@gmail.com]

ChatGPT recommends this for defining in PTgui.  I cannot find it in 13

[John Houghton]

The Panini projection is available by selecting Vedutismo projection on the flyout menu of the Panorama Editor window and then set the horizontal compression to 0.

John

[John Schwaller]

Thanks.  Is there a reason why there is no vertical compression component?

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[John Schwaller]

Vedutissmo w/ horizontal set=0 seems to be the same as rectilinear….at least on the fisheye image I m looking at.

On Sun, Dec 28, 2025 at 1:34 PM John Houghton <houghto...@gmail.com> wrote:

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[PTGui Support]

Hi John,

There is Transverse Panini, which has vertical compression.

Kind regards,

Joost Nieuwenhuijse
www.ptgui.com

On 12/28/25 23:43, John Schwaller wrote:
> Thanks.  Is there a reason why there is no vertical compression component?
>
> On Sun, Dec 28, 2025 at 1:34 PM John Houghton <houghto...@gmail.com
> <mailto:houghto...@gmail.com>> wrote:
>
> The Panini projection is available by selecting Vedutismo projection
> on the flyout menu of the Panorama Editor window and then set the
> horizontal compression to 0.
>
> John
> On Sunday, December 28, 2025 at 6:15:20 PM UTC jrsch...@gmail.com

> <mailto:jrsch...@gmail.com> wrote:
>
> ChatGPT recommends this for defining in PTgui.  I cannot find it
> in 13
>
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[Erik Krause]

Am 29.12.2025 um 01:17 schrieb 'PTGui Support' via PTGui Support:

> There is Transverse Panini, which has vertical compression.

I suspect John refers to the "Squeeze" parameter as described on
https://wiki.panotools.org/The_General_Panini_Projection

--
Erik Krause
http://www.erik-krause.de